Adaptive position/force control of robot manipulators without velocity measurements: theory and experimentation. - Marcio S. de Queiroz; Jun Hu 017; Darren M. Dawson; Timothy C. Burg; S. R. Donepudi (IEEE Trans. Syst. Man Cybern. Part B, 1997)

Model-based control of rigid-link flexible-joint robots: an experimental evaluation. - Marcio S. de Queiroz; S. R. Donepudi; Timothy C. Burg; Darren M. Dawson (Robotica, 1998)